
FOJAN
Strong alternative with identical key electrical parameters and 0402 package.
Finding a substitute for the Walsin WR04X4701FTL, a common 4.7kΩ 1% 0402 resistor, involves matching key electrical parameters and package size. Several strong pin-compatible and functional alternatives are available from various manufacturers.
Many parts match key specs. Check secondary specs like TCR or voltage rating if application is sensitive.
Ensure the replacement is in an 0402 package to avoid layout changes. Do not confuse with 0603 or 0201.
This is a very common resistor value and package, available from numerous manufacturers.
Direct replacement for WR04X4701FTL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best replacement path is to select a 0402 thick film resistor with 4.7kΩ resistance, ±1% tolerance, and a power rating of 1/16W or higher. FOJAN FRC0402F4701TS is a very strong candidate.
The main risk is selecting a replacement with a different package size (e.g., 0603, 0805) which requires a PCB layout change, or a different resistance value that is outside the circuit's tolerance.

FOJAN
Strong alternative with identical key electrical parameters and 0402 package.
| Feature / factor | WR04X4701FTL | FRC0402F4701TS | 0402WGF4751TCE | RC0805FR-074K7L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 | 0402 | 0805 | 0402 / 0805 — Identical package size.; 0402WGF4751TCE: Identical package size.; RC0805FR-074K7L: Larger package, not a drop-in replacement.; 0402WGF4301TCE: Identical package size. |
| Resistance | 4.7 kΩ | 4.7 kΩ | 4.75 kΩ | 4.7 kΩ | 4.7 kΩ / 4.75 kΩ / 4.3 kΩ — Identical nominal resistance.; 0402WGF4751TCE: Resistance is ~1% higher, within tolerance of many applications.; RC0805FR-074K7L: Identical nominal resistance.; 0402WGF4301TCE: Resistance is ~8.5% lower. Requires circuit analysis. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Matching tolerance.; 0402WGF4751TCE: Matching tolerance.; RC0805FR-074K7L: Matching tolerance.; 0402WGF4301TCE: Matching tolerance. |
| Power | 1/16 W | 1/16 W | 1/16 W | 1/8 W | 1/16 W / 1/8 W — Matching power rating.; 0402WGF4751TCE: Matching power rating.; RC0805FR-074K7L: Higher power rating is a safe upgrade.; 0402WGF4301TCE: Matching power rating. |
| Technology | Thick Film | Thick Film | - | - | Thick Film — Matching resistor technology. |
Verified drop-in options for WR04X4701FTL are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.